Product Description:

A,Material:plastic POM,Zinc alloy, cold-rolled steel Q235, PA66,steel ball 65Mn

B,Finish:plated(brass + nickel + sealing), polish, heat treatment

Features:

A,Upward opening to 35°, free stop at any position you want.

B,Adjustment according to the door weight is achieved to get a better function.

Product Advantages:

A,Using the steel ball and cam construction inside ,. Up opening to 35°,free stop at any position you want.

B,Having a good stability, opening for a labor-saving, closing without noise,. Adjustable moving speed for doors is achieved.

C,YS310 passed 50,000 cycles durability test which is far beyond the CNS requirements of hinge- 40,000 times.

Product Parameter: 

Pls refer to the illustration below

Others(Packing and Services):                                    

Package: 25pcs/inner box,100pcs/box,  

N.W/G.W: 25kgs/25.65kgs

MEAS: 800px * 687.5px * 575px,                             

Delivery Date: Normally in one month        

MOQ:  3000pcs

Samples Preparation: samples can be sent in 3 working days (DHL 3-5days,UPS3-5days,Fedex/TNT 3-5days,EMS 7days reach destination )

Ps:

Difference between YS309, YS310 and YS311  flay stay: 

(1) different design

(2) Internal structure:

YS309 flap stay---friction clutch inside

YS310 flap stay---steel ball and cam construction inside

YS311 flap stay---wheel gear inside 

YS312 flap stay---wheel gear inside